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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P42326 New Search
5PDB entries
6Biological assembly
11chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1B02 CRYSTAL STRUCTURE OF THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-11-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–279（279 aa）
Not recorded UFP 5-FLUORO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE × 1 C2F 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.25；pH 6.25
Resolution 2.50 Å R-free 0.233
1BKO THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-07-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–279（278 aa）
Chain B 2–279（278 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.75 Å R-free 0.320
1BKO THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-07-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 2–279（278 aa）
Chain D 2–279（278 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.75 Å R-free 0.320
1BKP THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-07-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–279（278 aa）
Chain B 2–279（278 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 1.70 Å R-free 0.206
1BSF THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-07-10 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–279（278 aa）
Chain B 2–279（278 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.20 Å R-free 0.301
1BSP THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS Deposited 1998-07-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–279（278 aa）
Chain B 2–279（278 aa）
Not recorded PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.50 Å R-free 0.260

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.